On Tue, Feb 19, 2019 at 07:42:53PM +, Edgecombe, Rick P wrote:
> So to capture both of those intentions, maybe I'll slightly tweak your
> suggestion to VM_FLUSH_RESET_PERMS?
Yeah, sure, better.
VM_HAS_SPECIAL_PERMS doesn't tell me what those special permissions are
while flush and reset permi
Thanks Boris.
Ard, Will: An arm question came up below. Any thoughts?
On Tue, 2019-02-19 at 13:48 +0100, Borislav Petkov wrote:
> On Mon, Jan 28, 2019 at 04:34:17PM -0800, Rick Edgecombe wrote:
> > This adds a new flags VM_HAS_SPECIAL_PERMS, for enabling vfree operations
>
> s/This adds/add/ - y
On Mon, Jan 28, 2019 at 04:34:17PM -0800, Rick Edgecombe wrote:
> This adds a new flags VM_HAS_SPECIAL_PERMS, for enabling vfree operations
s/This adds/add/ - you get the idea. :)
s/flags/flag/
> to immediately clear executable TLB entries to freed pages, and handle
> freeing memory with special
This adds a new flags VM_HAS_SPECIAL_PERMS, for enabling vfree operations
to immediately clear executable TLB entries to freed pages, and handle
freeing memory with special permissions. It also takes care of resetting
the direct map permissions for the pages being unmapped. So this flag is
useful f
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